Technical Glossary

• Socket.io: A library enabling low-latency, bidirectional, event-based communication between clients and servers.
• Geohash: A public domain geocoding system that encodes a geographic location into a short string of letters and digits.
• Distance Matrix API: A Google service providing travel distance and time for a matrix of origins and destinations.
• 2dsphere Index: A MongoDB index supporting queries that calculate geometries on an earth-like sphere.
• OTP (One-Time Password): A cryptographic, single-use numeric code utilized for verification handshakes.